refactor(Parser)!: general refactoring of parsers (#344)

* refactor: move common info into MediaInfo

* refactor: better inference on Memo

* refactor: improved typesafety in parser methods

* refactor: remove PlaylistAuthor in favor of Author

* refactor: cleanup live chat parsers

- Replace non standard author type with Author class
- Remove redundant code

* fix: new errors due to changes

* fix: pass actions to FormatUtils#toDash

* refactor!: merge NavigatableText and Text into single class

src/parser/classes/GridVideo.ts

@@ -4,7 +4,7 @@ import Thumbnail from './misc/Thumbnail.js';
 import NavigationEndpoint from './NavigationEndpoint.js';
 import Author from './misc/Author.js';
 
-import type Menu from './menus/Menu.js';
+import Menu from './menus/Menu.js';
 
 import { YTNode } from '../helpers.js';
 
@@ -38,7 +38,7 @@ class GridVideo extends YTNode {
     this.views = new Text(data.viewCountText);
     this.short_view_count = new Text(data.shortViewCountText);
     this.endpoint = new NavigationEndpoint(data.navigationEndpoint);
-    this.menu = Parser.parseItem<Menu>(data.menu);
+    this.menu = Parser.parseItem(data.menu, Menu);
   }
 }